EOLIS, 51 



29. E. ARENI'COLA, Forbes. 



E. arenicola (Forbes, MS.), A. & H. Brit. Nud. Moll. fam. 3, pi. 31. f. 1. 



BODY white, rather long and slender : dorsal tentacles yel- 

 lowish-white, long, smooth, and tapering: oral tentacles nearly 

 as long as the dorsal pair, slender, tapering, set on the upper 

 edge of the lip, which is margined with yellow: branchial 

 processes rather long, linear, and tapering above, of a dark 

 bottle-green colour for two-thirds up, above which they are 

 pale yellow, with colourless tips ; they are set in about 15 

 rows, the papillas becoming very small towards the sides : foot 

 with the anterior angles obtuse. L. 0*75. 



HABITAT : Dredged in 10 fathoms on weedy ground, Menai 

 Straits (Forbes). 



30. E. GLOTTENSIS, Alder and Hancock. 



E. Glottensis, A. & H. in Ann. N. H. 1st ser. xviii. p. 293; Brit. Nud, 

 MoU. fam. 3, pi. 29. 



BODY greenish-white : dorsal tentacles rather long and ob- 

 tuse, of the same colour as the body : oral tentacles about two- 

 thirds the length of the dorsal pair, obtuse, set on the upper- 

 side of the lip : branchial processes stout, blackish-green, with 

 golden-yellow tips, a little inclining to orange ; set in 8 or 

 9 rows, the first 3 rather close together, the others more 

 distant : foot notched in front, with the angles slightly pro- 

 duced and rounded. L. 0-4. 



HABITAT: Dredged on Pecten opercularis in Lamlash Bay 

 (Alder). 



31. E. CJERU'LEA, Montagu. 



Dons ccerulea, Mont, in Linn. Trans, vii. p. 78, pi. 7. f. 4, 5. E. ccerulea, 

 A. & H. Brit. Nud. MoU. p. 51. 



BODY slender, pale pellucid-green: dorsal tentacles long, 

 slightly tapering, greenish-white, with opaque-yellow spots : 

 oral tentacles very short, greenish : branchial processes linear- 

 fusiform, stoutish, green below and blue above, with a rim of 

 pale yellow, and bright orange-red tips ; set in 10 rows, the 



